Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

procedure EmptyRecycleBin;
 const
   SHERB_NOCONFIRMATION = $00000001;
   SHERB_NOPROGRESSUI = $00000002;
   SHERB_NOSOUND = $00000004;
 type
   TSHEmptyRecycleBin = function(Wnd: HWND;
                                 pszRootPath: PChar;
                                 dwFlags: DWORD): HRESULT;  stdcall;
 var
   SHEmptyRecycleBin: TSHEmptyRecycleBin;
   LibHandle: THandle;
 begin  { EmptyRecycleBin }
   LibHandle := LoadLibrary(PChar('Shell32.dll'));
   if LibHandle <> 0 then @SHEmptyRecycleBin :=
       GetProcAddress(LibHandle, 'SHEmptyRecycleBinA')
   else
   begin
     MessageDlg('Failed to load Shell32.dll.', mtError, [mbOK], 0);
     Exit;
   end;

   if @SHEmptyRecycleBin <> nil then
     SHEmptyRecycleBin(Application.Handle,
                       nil,
                       SHERB_NOCONFIRMATION or SHERB_NOPROGRESSUI or SHERB_NOSOUND);
   FreeLibrary(LibHandle); @SHEmptyRecycleBin := nil;
 end;



 procedure TForm1.Button1Click(Sender: TObject);
 begin
   EmptyRecycleBin;
 end;


 { 
 Minimum operating systems: Windows XP/2000, Windows NT 4.0 with Internet Explorer 4.0, 
                            Windows 98, Windows 95 with Internet Explorer 4.0 
 (shell32.dll version 4.71 or later) 
}